Ptychodus polygyrus marginalis
Agassiz, 1839
Classification: Elasmobranchii incert. sedis Ptychodontidae
Reference of the original description
Recherches sur les poissons fossiles, 10th and 12th livraisons (April 1839). Petitpierre et Prince (text) and H. Nicolet (plates), Neuchâtel, vol. 3: 141-156, pl. 9, 23, 25, 30a.
Recherches sur les poissons fossiles, 10th and 12th livraisons (April 1839). Petitpierre et Prince (text) and H. Nicolet (plates), Neuchâtel, vol. 3: 141-156, pl. 9, 23, 25, 30a.
Types
Ptychodus polygyrus marginalis
Ptychodus polygyrus marginalis
Description:
Citation: Ptychodus polygyrus marginalis Agassiz, 1839: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 04/2024
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Remarks
shark-references Species-ID=5389;
Links: Original description of Agassiz Recherches sur les Poissons Fossiles (1833-1843)
shark-references Species-ID=5389;
Links: Original description of Agassiz Recherches sur les Poissons Fossiles (1833-1843)
References
Teeth of fishes of the genus Ptychodus from Cretaceous chalk sediments in the vicinity of Cracow. Bulletin of the Polish Academy of Sciences, Earth Sciences, 28, 51–57
On the teeth of Ptychodus and their distribution in the English Chalk. Quarterly Journal of the Geological Society of London, 67, 263–277
DOI: 10.1144/GSL.JGS.1911.067.01-04.10
Contribution à lètude des poisons fossils du Nord de la France et des regions voisines. Mémoires de la Société géologique du Nord, 5, 1–430
Teeth of fishes of the genus Ptychodus from Cretaceous chalk sediments in the vicinity of Cracow. Bulletin of the Polish Academy of Sciences, Earth Sciences, 28, 51–57
On the teeth of Ptychodus and their distribution in the English Chalk. Quarterly Journal of the Geological Society of London, 67, 263–277
DOI: 10.1144/GSL.JGS.1911.067.01-04.10
Contribution à lètude des poisons fossils du Nord de la France et des regions voisines. Mémoires de la Société géologique du Nord, 5, 1–430
